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FR3078363B1 - MOVABLE SEALING RING - Google Patents

MOVABLE SEALING RING Download PDF

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Publication number
FR3078363B1
FR3078363B1 FR1851580A FR1851580A FR3078363B1 FR 3078363 B1 FR3078363 B1 FR 3078363B1 FR 1851580 A FR1851580 A FR 1851580A FR 1851580 A FR1851580 A FR 1851580A FR 3078363 B1 FR3078363 B1 FR 3078363B1
Authority
FR
France
Prior art keywords
ring flange
ring
movable sealing
sealing ring
inner end
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR1851580A
Other languages
French (fr)
Other versions
FR3078363A1 (en
Inventor
Stephane Pierre Guillaume Blanchard
Richaud Quentin De
Nicolas Xavier Trappier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aircraft Engines SAS
Original Assignee
Safran Aircraft Engines SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Safran Aircraft Engines SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1851580A priority Critical patent/FR3078363B1/en
Publication of FR3078363A1 publication Critical patent/FR3078363A1/en
Application granted granted Critical
Publication of FR3078363B1 publication Critical patent/FR3078363B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
    • F01D5/066—Connecting means for joining rotor-discs or rotor-elements together, e.g. by a central bolt, by clamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/70—Shape
    • F05D2250/71—Shape curved

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sealing Devices (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

L'invention porte sur d'étanchéité (1) pour une partie tournante d'une turbomachine, l'anneau mobile d'étanchéité (1) comprenant : - un corps annulaire (11) présentant une symétrie de révolution autour d'un axe longitudinal (X-X), - une bride d'anneau (12) s'étendant radialement du corps annulaire (11) la bride d'anneau (12) présentant une extrémité radialement interne (E) à partir de laquelle s'étend une portion d'extrémité radialement interne (121) de la bride d'anneau (12), la bride d'anneau (12) comprenant une portion d'extrémité radialement externe qui relie la bride d'anneau (12) au corps annulaire (11), l'anneau mobile d'étanchéité (1) étant caractérisé en ce que la bride d'anneau (12) comprend au moins une portion convexe et/ou concave (122, 123, 124) qui s'étend entre la portion d'extrémité radialement externe de la bride d'anneau (12) et la portion d'extrémité radialement interne de la bride d'anneau (12).The invention relates to sealing (1) for a rotating part of a turbomachine, the movable sealing ring (1) comprising: - an annular body (11) having a symmetry of revolution about a longitudinal axis (XX), - a ring flange (12) extending radially from the annular body (11) the ring flange (12) having a radially inner end (E) from which extends a portion of radially inner end (121) of the ring flange (12), the ring flange (12) comprising a radially outer end portion which connects the ring flange (12) to the ring body (11), 'movable sealing ring (1) being characterized in that the ring flange (12) comprises at least one convex and / or concave portion (122, 123, 124) which extends between the end portion radially outer ring flange (12) and the radially inner end portion of the ring flange (12).

FR1851580A 2018-02-23 2018-02-23 MOVABLE SEALING RING Active FR3078363B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1851580A FR3078363B1 (en) 2018-02-23 2018-02-23 MOVABLE SEALING RING

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1851580 2018-02-23
FR1851580A FR3078363B1 (en) 2018-02-23 2018-02-23 MOVABLE SEALING RING

Publications (2)

Publication Number Publication Date
FR3078363A1 FR3078363A1 (en) 2019-08-30
FR3078363B1 true FR3078363B1 (en) 2021-02-26

Family

ID=62143371

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1851580A Active FR3078363B1 (en) 2018-02-23 2018-02-23 MOVABLE SEALING RING

Country Status (1)

Country Link
FR (1) FR3078363B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3111157B1 (en) * 2020-06-05 2022-07-22 Safran Aircraft Engines Motor comprising a sealing member between two rotor elements
FR3113091B1 (en) * 2020-07-30 2022-06-24 Safran Aircraft Engines Assembly for an aircraft turbomachine turbine, comprising a blade retaining ring held by a nozzle of the turbine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2600377B1 (en) * 1986-06-18 1988-09-02 Snecma DEVICE FOR MONITORING THE COOLING AIR FLOWS OF AN ENGINE TURBINE
FR2744761B1 (en) * 1996-02-08 1998-03-13 Snecma LABYRINTH DISC WITH INCORPORATED STIFFENER FOR TURBOMACHINE ROTOR
FR2825748B1 (en) * 2001-06-07 2003-11-07 Snecma Moteurs TURBOMACHINE ROTOR ARRANGEMENT WITH TWO BLADE DISCS SEPARATED BY A SPACER
DE10355230A1 (en) * 2003-11-26 2005-06-23 Mtu Aero Engines Gmbh Rotor for a turbomachine
FR2885167B1 (en) * 2005-04-29 2007-06-29 Snecma Moteurs Sa TURBINE MODULE FOR GAS TURBINE ENGINE
FR3029961B1 (en) * 2014-12-11 2021-06-11 Snecma BLADDER WHEEL WITH SPOILERS FOR A TURBOMACHINE TURBINE
US10655480B2 (en) * 2016-01-18 2020-05-19 United Technologies Corporation Mini-disk for gas turbine engine

Also Published As

Publication number Publication date
FR3078363A1 (en) 2019-08-30

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